planographic

From plano- +‎ -graphic.

planographic (not comparable)

1. Relating to planography; pertaining to printing made from a plane surface. [from 19th c.]
   • 2009, James Mosley, edited by Michael F Suarez and Michael L Turner, The Cambridge History of the Book in Britain, vol. V, Cambridge, published 2014, page 164:

     Some wholly new inventions, like lithography, a new planographic process for making images based on a chemical principle […] , were capable of development into new industrial processes when they were aided by photography.

• planographically